Telephone transferring switchboard



FIG. 1 is a top and right side perspective view of a telephone transferring switchboard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a top and left side perspective view thereof with a handset shown inverted. 

The ornamental design for a telephone transferring switchboard, as shown. 